Males and females look similar at birth. Sumatran orangutan’s are omnivores. Lucy is an adult female hybrid orangutan. Today, the Sumatran Orang-utan has been listed by the IUCN as an animal that is Critically Endangered in its natural environment and therefore faces extinction in the wild in the near future if the situation progresses as it is. The majority of their diet is fruit with a favorite being that of the durian tree. SOCP. Young orangutans must learn about hundreds of varieties of fruit, where to find them seasonally and how to open them. Sumatran orangutans spend the majority of their life in the trees. Sexual maturity for males and females in zoos is around six years, although it can take up to 10 years or more for a wild female to mature and longer than that for males. Adopt an orangutan to give the perfect gift to the conservationist in your life — even if that conservationist is you! One of the most serious threats to orangutan viability is the unsustainable practice of timber extraction in Indonesia and Malaysia. Native to northern Indonesia, orangutans spend most of their time high in the trees; they are the most arboreal of the great apes. The median life expectancy for female Sumatran orangutans is about 32 years. Population numbers of Sumatran orangutans have declined over 80 percent in the past 75 years, and it is projected that this decline will continue. The median life expectancy for female Sumatran orangutans is about 32 years. They are distinguished from Bornean orangutans due to their fur being a lighter shade of orange and the Bornean orangutan being larger. If this is unsuccessful they will charge one another and then bite the opponent on the cheek pouch in an attempt to win. 2020. Sumatran orangutans are among the largest of all living primates and are the largest arboreal animal in the world. 2020. Twins are possible but due to the intense care given to young by their mother they will likely not both survive. They have grasping hands and feet with long curved fingers and toes. In the second year they begin to climb around on the mother. ; Generally, they prefer the lowland forest areas that are abundant in food, but some have been spotted hanging out in altitudes higher than 1,000 meters above sea level. Sumatran orangutans (Pongo abelii) are listed as critically endangered by the IUCN, and habitat loss is a major reason for this. Share the story of this animal with others. Pongo abelii (errata version published in 2018). 2020. In males a ‘cape’ of long hairs hangs from the arms when they are outstretched. Extinction in the wild is likely in the next 10 years for Sumatran orangutans and soon after for Bornean orangutans. Sumatran orangutans are listed among the 25 most endangered primates in the world and Bornean, Sumatran and Tapanuli orangutans are in imminent danger of going extinct. The size of the flange is also a show of their status within their area. They have distinctive fingerprints and no visible external tails. Orangutans have cognitive maps, often returning to the same feeding sites they have visited in the past to forage for fruit, insects and flowers. Bonnie travels the O-Line frequently, but unlike most of the other orangutans, she usually does not choose to quickly cross from one end to the other, but instead likes to sit on top of one of the towers and watch the crowds down below.